2491310568677 has 16 divisors (see below), whose sum is σ = 2912461455360. Its totient is φ = 2086973946288.

The previous prime is 2491310568601. The next prime is 2491310568683. The reversal of 2491310568677 is 7768650131942.

It is not a de Polignac number, because 2491310568677 - 2¹² = 2491310564581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491310568077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20853677 + ... + 20972802.

It is an arithmetic number, because the mean of its divisors is an integer number (182028840960).

It is a 1-persistent number, because it is pandigital, but 2⋅2491310568677 = 4982621137354 is not.

Almost surely, 2^{2491310568677} is an apocalyptic number.

It is an amenable number.

2491310568677 is a deficient number, since it is larger than the sum of its proper divisors (421150886683).

2491310568677 is a wasteful number, since it uses less digits than its factorization.

2491310568677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41826680.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 2491310568677 in words is "two trillion, four hundred ninety-one billion, three hundred ten million, five hundred sixty-eight thousand, six hundred seventy-seven".